One of the largest changes in the removal of the user list (NAMES, JOIN, PART, and MODE commands) by default from IRC connections. If you require this information you will need to send an additional command to request that capability after connecting to the server:


CAP REQ :twitch.tv/membership


This command should be sent after making the initial connection to the server and logging in but before joining any channels.


IRC Clients


mIRC:

mIRC Options -> Connection -> Options -> Perform


Check Enable perform on connect, add a network for Twitch if it does not already exist, and then enter the following under Perform commands:


CAP REQ :twitch.tv/membership